24000632 Washer Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

24000632 Washer Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

24000632 is a SANY original factory exclusive washer, designed specifically for the heavy-duty connection scenarios of the SY1250H mining excavator. It is adapted to the high-pressure and high-impact working characteristics of this model, and integrates core characteristics such as high strength pressure bearing, precision size, vibration resistance and anti-loosening, corrosion resistance and wear resistance. It is suitable for open-pit mining and can avoid failures such as scratches on the connection surface and loose bolts. It is a key original factory auxiliary accessory for safe operation in the mine.

Core technical parameters

Model: 24000632
Main body material: 45# carbon steel or 304 stainless steel are both available.
Operating temperature: -30℃ to 150℃, suitable for open-pit mines with large day-night temperature differences and high-temperature environments in hydraulic systems.
Key operating parameters: Compatible with M16-M30 bolts (fitting SY1250H bolt and flange dimensions), inner diameter 16.5-30.5mm, outer diameter 30-55mm, thickness 2-4mm, dimensional tolerance ±0.02mm; pressure resistance ≥1200MPa, capable of withstanding bolt tightening torque of 120-450N·m; precision stamping and grinding, surface roughness Ra≤0.4μm, service life ≥8000 working hours, salt spray resistance ≥1000 hours.
Structural design: Adopts standard flat washer structure with rounded edges and no sharp corners; the surface is textured with fine anti-slip patterns.
Shape and size: Standard round flat gasket structure, regular shape, no burrs or cracks, dimensions precisely matched to SY1250H bolts, split flanges, and main pump connectors, customized according to original factory standards, and can be directly replaced by the original factory.
Surface treatment: The carbon steel version uses a double protection process of phosphating and Dacromet coating to eliminate the risk of hydrogen embrittlement, and its corrosion resistance is 7-10 times that of ordinary electroplated zinc; the stainless steel version uses polishing and passivation treatment.

Core functions and roles

As a “high-strength fastening auxiliary core component” of SY1250H, its core function is to work with bolts and flanges to disperse preload, protect the connection surface, enhance vibration resistance and anti-loosening performance, and avoid connection failure caused by local stress concentration . It can reduce the wear and tear of bolts, flanges and other components, reduce maintenance costs, and work together with bolts, flanges and other components to form a fastening system. It is a key auxiliary component to ensure stable mining operations.

Applicable Scenarios

It is widely used in connection parts such as SY1250H split flange, main pump connection, and steel structure. It is compatible with related supporting parts and undertakes the functions of dispersing pre-tightening force, protecting the surface, and resisting vibration and loosening. It can also be used with the same specification mining excavator of Sany. It is suitable for harsh working conditions such as open mines. It is an essential accessory for equipment manufacturing, maintenance and bulk purchase. It can reduce downtime costs caused by component wear and improve the connection stability of the whole machine .

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